Bit is the first of her kind, a crystal machine shaped like a pony. For lifetimes she served, until her master was long dead. Instead of fall dormant like the other machines, she snapped. Suddenly, she could choose. She did.
Twelve years after the Crusaders discovered their true nature, an ancient evil has returned. Celestia is hurt, magic is weakened, and Equestria is nearly lost. Now our heroes must find a way to fix The Hole In The Sun.
Zevan was a loyal changeling and did his queen's bidding, although he questioned why she had broken the peace. After being badly injured though, he had to reconsider his future, and a unicorn mare with a broken horn was a surprising part of it.
Novel Tale, a changeling living in Canterlot as a writer, has his peaceful life shattered when changelings from another hive attack, revealing the existence of changelings to all of ponykind. And his last book had a changeling character in it...
Twilight Sparkle, a well known unicorn in all of Equestria. That's what they all thought. Until one day, the day that was supposed to be the luckiest day of Shining Armor's life, everything changed.